Home / 133,640,020.80-200,460,031.20-65,615,572.80

Finding the Fourth Proportional to 133,640,020.80, 200,460,031.20 and 65,615,572.80

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Solution

The fourth proportional to 133,640,020.80, 200,460,031.20 and 65,615,572.80 is: 98,423,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640,020.80 : 200,460,031.20 = 65,615,572.80 : x
  2. Step 2: Convert to fraction form
    133,640,020.80/200,460,031.20 = 65,615,572.80/x
  3. Step 3: Cross multiply
    133,640,020.80x = 200,460,031.20 × 65,615,572.80
  4. Step 4: Simplify right side
    133,640,020.80x = 13,153,299,770,693,870
  5. Step 5: Solve for x
    x = 13,153,299,770,693,870/133,640,020.80
  6. Step 6: Final answer
    x = 98,423,359.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.